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Showing result 1 - 5 of 16 essays matching the above criteria.

  1. 1. Synthesis and Characterization of NCN Pincer Nickel Complexes

    University essay from Lunds universitet/Kemiska institutionen

    Author : Joel Klarén; [2023]
    Keywords : Pincer complexes; Nickel; organometallic chemistry; synthesis; NCN Pincer Nickel Complexes; organic chemistry; Chemistry;

    Abstract : In this work, a series of nickel NCN complexes and ligands have been synthesized with the goal of determining whether they can perform so-called CO2-insertion reactions into Ni-C bonds. So far, only the synthesis of the Ni-Br precursor complexes to the previously mentioned Ni-C complexes have been synthesized. READ MORE

  3. 2. An institutional weakness? – The participation of Chinese miners in Ghana’s artisanal and small-scale gold mining (ASGM) sector.

    University essay from Lunds universitet/Graduate School

    Author : Enyam Joel Agbesinyale; [2023]
    Keywords : Chinese participation; ASGM; Institutional weakness; Rural transformation; Ghana; Social Sciences;

    Abstract : This thesis addresses the ongoing debate on the involvement of Chinese nationals in Ghana's artisanal and small-scale gold mining (ASGM) sector. Despite the Minerals and Mining Law, Act 703 (2006) prohibiting foreigners from engaging in ASGM, it is reported that about 50,000 Chinese nationals have migrated to rural Ghana to engage in illegal mining activities. READ MORE

  4. 3. Investigating Tweet Propagation via Dynamical Models and Influencer Analysis

    University essay from Linköpings universitet/Reglerteknik

    Author : Joel Nilsson; [2022]
    Keywords : Social Media Analysis; Dynamical Models; Data Mining;

    Abstract : Social media consume an increasing portion of people’s daily lives and are important platforms in the realms of politics and marketing for reaching out to voters and consumers. Describing and predicting the behaviour of users on social media is thus of interest for companies and politicians, as well as researchers studying information diffusion and human behaviour. READ MORE

  5. 4. Effects of Immiscible Compressor Oil in a Flooded PSHE Evaporator : A Visual Study Approach

    University essay from KTH/Energiteknik

    Author : Joel Blomfelt; [2022]
    Keywords : ;

    Abstract : This paper deals with heat transfer in plate evaporators, with a focus on the effects caused by carried-over compressor oil ending up in the heat exchanger. A common standpoint in literature regarding the effect of immiscible oil contamination, in for example an ammonia PHE evaporator, is that the oil can accumulate as a layer on the plate surface causing an additional thermal conduction resistance. READ MORE

  6. 5. Too Fast too Navigable : a study to research the effects of navigability for a customers purchase time

    University essay from Linköpings universitet/Institutionen för datavetenskap

    Author : Unn Zachrison; Anna Petersson; Axel Jönsson; David Carlsson; Fredrik Lindberg; Joel Nilsson; Jonatan Johansson; Oscar Söderlund; [2022]
    Keywords : ;

    Abstract : Among today’s seemingly endless amount of online stores and markets, differentiation is crucial. However, attracting and satisfying online shoppers requires websites to not only present originality in offers and products, but to also be efficient and easy to use. READ MORE